CN203446080U - Solar LED street lamp controller - Google Patents
Solar LED street lamp controller Download PDFInfo
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- CN203446080U CN203446080U CN201320567795.5U CN201320567795U CN203446080U CN 203446080 U CN203446080 U CN 203446080U CN 201320567795 U CN201320567795 U CN 201320567795U CN 203446080 U CN203446080 U CN 203446080U
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- street lamp
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
The utility model discloses a solar LED street lamp controller comprising an LED lamp, a storage battery and a solar battery, wherein the storage battery is connected with the LED lamp. The solar LED street lamp controller further comprises a single chip microcomputer module, a charge and discharge circuit module, a data sampling module, an automatic switching control module, an MPPT control module, a data display module, a timing circuit module and a power supply circuit. The solar LED street lamp controller monitors the environment of a system and uses a voltage dividing circuit to sample power of the storage battery and voltage of the solar battery so as to continuously acquire the working state of the system, which can effectively prevent the storage battery from overcharge and deep discharge on the premise of meeting the lighting requirement. The MPPT module of the solar LED street lamp controller enables stable and high-efficiency solar maximum power tracking and intelligent storage battery charging method management to be realized and can effectively extend the endurance ability and the service life of the storage battery.
Description
Technical field
The utility model relates to a kind of Lighting Control Assembly, particularly a kind of solar LED street lamp controller.
Background technology
After financial crisis outburst, the U.S., Japan, Europe etc. are placed on important strategic position by the development of new forms of energy and application one after another, and various countries have put into effect relevant energy policy in succession, want to seize the first chance of new forms of energy development and the industrial revolution for the third time.New forms of energy are no longer only reply mankind's energy shortages and to the pursuing of low-carbon (LC) life style, and just gradually become the breach of sustainable economic development.
In China, mature light-emitting diode Manifold technology and abundant solar energy resources impel to such an extent that solar photovoltaic technology is combined the illuminator producing and is widely used with LED.Solar LED street lamp can make full use of solar energy resources, converts solar energy to electrical power storage in storage battery, and the LED light fixture offering on highway at night throws light on.West area in China, comprises the provinces such as Tibet, the Inner Mongol, Qinghai, Xinjiang, Sichuan, and year hours of daylight is long, and regional area is wide, the density of population is low, is beneficial to very much large-scale development solar energy resources.In some remote areas, traditional power supply facilities construction cost is high, electric power resource transportation is difficult, the imbalance between supply and demand that adds electric energy is outstanding, often there is circut breaking, people's productive life has been caused to great impact, if therefore solar LED street lamp popularization and application on a large scale, the difficult problem of powering the night that can effectively alleviate the abundant area of China's major part solar energy resources.In addition, solar LED street lamp has clean environment firendly, highly effective and safe, easy to maintenance, set up the features such as simple and easy, although construction cost with respect to traditional city street lamp higher slightly, but the science sustainable development to city, is significant to building a harmonious socialist society.
Existing solar LED street lamp controller mainly uses photoelectric sensor induction to change round the clock, then utilizes Single-chip Controlling relay to realize automatically opening and closing of charging and discharging.There are some destabilizing factors in this automatic control, is mainly to be easily subject to extraneous specific factor such as the interference of leaf and the switch of relay on the dust gathering, street lamp limit slowly causes by photoelectric sensor.In addition; the solar cell maximal power tracing of existing solar LED street lamp controller (being called for short MPPT) control circuit generally adopts DC/DC conversion (being called for short DC-DC conversion) circuit to modulate the output voltage of solar cell; keep solar cell Maximum Power Output; realize the maximal power tracing of solar cell; but this mode exists, versatility is poor, efficiency is low, the feature of poor anti jamming capability; and lack the charge and discharge protecting to storage battery, shortened the useful life of LED street lamp.Therefore,, in order really to realize the Green Lighting Project of solar energy, design a kind of long service life, antijamming capability is strong and efficiency is high solar LED street lamp controller just seems and is necessary very much.
Utility model content
For addressing the above problem, the utility model discloses a kind of solar LED street lamp controller.
In order to achieve the above object, the utility model provides following technical scheme: a kind of solar LED street lamp controller, comprise LED lamp, storage battery and solar cell, described storage battery is connected with LED lamp, also comprises one-chip computer module, charge-discharge circuit module, data sampling module, switch automatic control module, MPPT control module, data disaply moudle, timing circuit module and power circuit; Described charge-discharge circuit module, data sampling module, data disaply moudle, timing circuit module are connected with described one-chip computer module respectively; Described power module comprises storage battery and voltage stabilizing circuit, it is also other chip power supplies in system that described storage battery is connected to its power supply through voltage stabilizing circuit output and one-chip computer module simultaneously, described data sampling module is connected with described storage battery and solar cell, and storage battery and solar array voltage data are sent into one-chip computer module; Described switch automatic control module is connected with LED lamp; Described solar cell is connected with described storage battery through MPPT control module, charge-discharge circuit module.
As a kind of improvement of the present utility model, described one-chip computer module adopts the single-chip microcomputer that model is STC89C52.
As a kind of improvement of the present utility model, described timing circuit module adopts the clock chip of DS1302.
As a kind of improvement of the present utility model, the clock chip of described DS1302 is provided with two power supplys.
As a kind of improvement of the present utility model, described switch automatic control module adopts optocoupler driven MOS FET pipe to control.
As a kind of improvement of the present utility model, described MPPT control module comprises solar control chip CN3722.
As a kind of improvement of the present utility model, described voltage stabilizing circuit comprises voltage stabilizing chip L7805CV.
The beneficial effects of the utility model:
The solar LED street lamp controller of the utility model design, owing to having taked state interlocking, has been avoided malfunction, so it controls effect stability.This LED controller for road lamp is by monitoring system environment and utilize bleeder circuit to sample and constantly obtain the operating state of system accumulator electric-quantity and solar array voltage, meeting under the prerequisite of lighting demand, can effectively prevent overcharge of a battery and deep discharge.MPPT module in this controller can realize the solar maximum power tracking of stability and high efficiency and the charge in batteries mode of intelligence is managed, and can effectively extend flying power and the useful life thereof of storage battery.
Accompanying drawing explanation
Fig. 1 is system architecture diagram of the present utility model;
Fig. 2 is one-chip computer module circuit diagram of the present utility model;
Fig. 3 is MPPT control module circuit diagram of the present utility model;
Fig. 4 is data disaply moudle circuit diagram of the present utility model;
Fig. 5 is data sampling module circuit diagram of the present utility model;
Fig. 6 is the circuit diagram of voltage stabilizing circuit of the present utility model;
Fig. 7 is the control module circuit diagram that discharges and recharges of the present utility model;
Fig. 8 is optocoupler control module circuit diagram of the present utility model;
Fig. 9 is timing circuit module circuit diagram of the present utility model.
Embodiment
Technical scheme the utility model being provided below with reference to specific embodiment is elaborated, and should understand following embodiment and only for the utility model is described, be not used in restriction scope of the present utility model.
Fig. 1 is the structured flowchart of of the present utility model kind of solar LED street lamp controller, comprise LED lamp, storage battery and solar cell, described storage battery is connected with LED lamp, also comprises one-chip computer module, charge-discharge circuit module, data sampling module, switch automatic control module, MPPT control module, data disaply moudle, timing circuit module and power circuit; Described charge-discharge circuit module, data sampling module, data disaply moudle, timing circuit module are connected with described one-chip computer module respectively; Described power module comprises storage battery and voltage stabilizing circuit, it is also other chip power supplies in system that described storage battery is connected to its power supply through voltage stabilizing circuit output and one-chip computer module simultaneously, described data sampling module is connected with described storage battery and solar cell, and storage battery and solar array voltage data are sent into one-chip computer module; Described switch automatic control module is connected with LED lamp; Described solar cell is connected with described storage battery through MPPT control module, charge-discharge circuit module.
Fig. 2 one-chip computer module circuit diagram of the present utility model, adopt single-chip microcomputer STC89C52 as main control module, be responsible for realizing to the collection analysis of storage battery and solar array voltage data, control the MPPT control circuit that discharges and recharges, coordinates of load switch and solar cell is carried out to Charge Management to storage battery, and control charactron switching display environment time, battery tension and solar array voltage.
Fig. 3 is MPPT control module circuit diagram of the present utility model, MPPT full name is Maximum Power Point Tracking, Chinese is MPPT maximum power point tracking, in the utility model, MPPT controls the trickle that the control circuit that adopts solar control chip CN3722 to form is realized storage battery, the management of constant current and constant voltage charging method, this chip can also complete solar cell maximal power tracing (MPPT), to improve the charge efficiency of solar cell to storage battery, CN3722 chip adopts constant voltage method tracking solar battery maximum power point, when illumination temperature one timing, although the change of intensity of sunshine, but the corresponding output voltage of the maximum power point of solar cell is basic identical, so as long as guarantee that solar cell output voltage is constant, just can realize maximal power tracing, this chip can also Real-Time Monitoring battery temp and voltage, the operating state of indication storage battery.
Fig. 4 is data disaply moudle circuit diagram of the present utility model, what digital pipe display circuit adopted is four common anode utmost points, the eight segment numeral pipes that drive with triode, can show four figures, wherein P1.2 ~ P1.5 logarithmic code pipe carries out position choosing, and P0.0 ~ P0.7 logarithmic code pipe carries out Duan Xuan, for showing solar array voltage and battery tension and current time.
Fig. 5 is data sampling module circuit diagram of the present utility model, in the present embodiment, data sampling module comprises two TLC549 low prices, high performance 8 bit A/D converter U3 and U4, U3 and U4 adopt 3-line serial interface mode and " P2.0-P2.2 and the P2.3-P2.5 mouth of single-chip microcomputer be connected, solar array voltage and battery tension signal sent in single-chip microcomputer and processed after AD changes.
Fig. 6 is the circuit diagram of voltage stabilizing circuit of the present utility model, and the operating voltage of power supply solar LED street lamp controller is 5V, in design, adopt L7805CV voltage stabilizing chip by the lead accumulator output voltage stabilization of 12V drop to 5V.
Fig. 7 is the control module circuit diagram that discharges and recharges of the present utility model, charge-discharge control circuit is for controlling the opening and closing of accumulator cell charging and discharging, utilize bleeder circuit to sample to battery tension and solar array voltage, by analytical sampling storage battery and solar array voltage data to determine the working method of storage battery, when battery deep discharge and battery tension lower than the constant voltage charge voltage of setting 66.7% time, discharge and recharge control module and utilize MPPT control module circuit to carry out trickle charge according to 15% pair of storage battery of set constant current charge electric current; Battery tension higher than the constant voltage charge voltage of setting 66.7% but lower than set constant voltage charge voltage time, discharge and recharge control module and utilize MPPT control module circuit, according to set constant current charge electric current, storage battery is carried out to constant current charge; When battery tension arrives the constant voltage charge voltage of setting, adopt constant voltage charging method, can effectively protect storage battery like this, increase the service life; When solar array voltage is during lower than battery tension, control circuit can make storage battery and solar cell disconnect, and suspends the charging to storage battery.
Fig. 8 is optocoupler control module circuit diagram of the present utility model, comprise optical coupler U6 and U7 that two models are 6N137, two optical couplers are connected with P1.1 mouth with the P1.0 of single-chip microcomputer respectively, be respectively used to control two MOSFET pipe IRF9540F that discharge and recharge in control module circuit, thereby realize the Kai Heguan of charging circuit and LED lamp.
Fig. 9 is timing circuit module circuit diagram of the present utility model, thereby the utility model judges definite its operating state of operational environment of solar LED street lamp by timing mode, in time period 6:00-18:00, close load (LED lamp), open charging, all the other times are opened load, charge closing, for area or the season that time phase difference is very large round the clock, can pass through program setting discrimination standard.In design, adopted DS1302 clock chip as clock timing, DS1302 adopts dual power supply, when storage battery is normally worked, adopt storage battery output voltage to power after voltage stabilizing, when storage battery over-discharge can or while there is power supply trouble, adopt the button cell of 3V as power supply, guarantee DS1302 normal power supply always.Single-chip microcomputer at set intervals, just gathers judgement to the time of clock chip operation, in time the operating state of regulating system.
The solar LED street lamp controller of the utility model design, owing to having taked state interlocking, has been avoided malfunction, so it controls effect stability.This LED controller for road lamp is by monitoring system environment and utilize bleeder circuit to sample and constantly obtain the operating state of system accumulator electric-quantity and solar array voltage, meeting under the prerequisite of lighting demand, can effectively prevent overcharge of a battery and deep discharge.MPPT module in this controller can realize the solar maximum power tracking of stability and high efficiency and the charge in batteries mode of intelligence is managed, and can effectively extend flying power and the useful life thereof of storage battery.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned execution mode, also comprises the technical scheme being comprised of above technical characterictic combination in any.
Claims (7)
1. a solar LED street lamp controller, comprise LED lamp, storage battery and solar cell, described storage battery is connected with LED lamp, it is characterized in that: also comprise one-chip computer module, charge-discharge circuit module, data sampling module, switch automatic control module, MPPT control module, data disaply moudle, timing circuit module and power circuit; Described charge-discharge circuit module, data sampling module, data disaply moudle, timing circuit module are connected with described one-chip computer module respectively; Described power module comprises storage battery and voltage stabilizing circuit, it is also other chip power supplies in system that described storage battery is connected to its power supply through voltage stabilizing circuit output and one-chip computer module simultaneously, described data sampling module is connected with described storage battery and solar cell, and storage battery and solar array voltage data are sent into one-chip computer module; Described switch automatic control module is connected with LED lamp; Described solar cell is connected with described storage battery through MPPT control module, charge-discharge circuit module.
2. a kind of solar LED street lamp controller according to claim 1, is characterized in that: described one-chip computer module adopts the single-chip microcomputer that model is STC89C52.
3. a kind of solar LED street lamp controller according to claim 1, is characterized in that: described timing circuit module adopts the clock chip of DS1302.
4. a kind of solar LED street lamp controller according to claim 3, is characterized in that: the clock chip of described DS1302 is provided with two power supplys.
5. a kind of solar LED street lamp controller according to claim 1, is characterized in that: described switch automatic control module adopts optocoupler driven MOS FET pipe to control.
6. a kind of solar LED street lamp controller according to claim 1, is characterized in that: described MPPT control module comprises solar control chip CN3722.
7. a kind of solar LED street lamp controller according to claim 1, is characterized in that: described voltage stabilizing circuit comprises voltage stabilizing chip L7805CV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567795.5U CN203446080U (en) | 2013-09-13 | 2013-09-13 | Solar LED street lamp controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567795.5U CN203446080U (en) | 2013-09-13 | 2013-09-13 | Solar LED street lamp controller |
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| Publication Number | Publication Date |
|---|---|
| CN203446080U true CN203446080U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320567795.5U Expired - Fee Related CN203446080U (en) | 2013-09-13 | 2013-09-13 | Solar LED street lamp controller |
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| CN (1) | CN203446080U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259970A (en) * | 2015-08-14 | 2016-01-20 | 天津市三源电力设备制造有限公司 | Simple maximum power point control circuit for solar cell panel |
| CN109147588A (en) * | 2018-11-08 | 2019-01-04 | 广东中诚阳能科技有限公司 | A kind of portable type solar energy LED display board |
| CN111654951A (en) * | 2020-07-27 | 2020-09-11 | 四川言成科技有限公司 | Solar street lamp monitoring system with automatic detection function |
-
2013
- 2013-09-13 CN CN201320567795.5U patent/CN203446080U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259970A (en) * | 2015-08-14 | 2016-01-20 | 天津市三源电力设备制造有限公司 | Simple maximum power point control circuit for solar cell panel |
| CN109147588A (en) * | 2018-11-08 | 2019-01-04 | 广东中诚阳能科技有限公司 | A kind of portable type solar energy LED display board |
| CN111654951A (en) * | 2020-07-27 | 2020-09-11 | 四川言成科技有限公司 | Solar street lamp monitoring system with automatic detection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20150913 |
|
| EXPY | Termination of patent right or utility model |